mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-22 18:53:28 +01:00
794 lines
16 KiB
C++
794 lines
16 KiB
C++
#pragma once
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#include "types.h"
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#include <cstring>
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// 128-bit vector type and also se_storage<> storage type
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union alignas(16) v128
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{
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char _bytes[16];
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template <typename T, std::size_t N, std::size_t M>
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struct masked_array_t // array type accessed as (index ^ M)
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{
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T m_data[N];
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public:
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T& operator[](std::size_t index)
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{
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return m_data[index ^ M];
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}
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const T& operator[](std::size_t index) const
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{
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return m_data[index ^ M];
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}
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};
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#if IS_LE_MACHINE == 1
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template <typename T, std::size_t N = 16 / sizeof(T)>
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using normal_array_t = masked_array_t<T, N, 0>;
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template <typename T, std::size_t N = 16 / sizeof(T)>
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using reversed_array_t = masked_array_t<T, N, N - 1>;
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#endif
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normal_array_t<u64> _u64;
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normal_array_t<s64> _s64;
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reversed_array_t<u64> u64r;
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reversed_array_t<s64> s64r;
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normal_array_t<u32> _u32;
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normal_array_t<s32> _s32;
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reversed_array_t<u32> u32r;
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reversed_array_t<s32> s32r;
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normal_array_t<u16> _u16;
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normal_array_t<s16> _s16;
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reversed_array_t<u16> u16r;
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reversed_array_t<s16> s16r;
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normal_array_t<u8> _u8;
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normal_array_t<s8> _s8;
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reversed_array_t<u8> u8r;
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reversed_array_t<s8> s8r;
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normal_array_t<f32> _f;
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normal_array_t<f64> _d;
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reversed_array_t<f32> fr;
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reversed_array_t<f64> dr;
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__m128 vf;
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__m128i vi;
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__m128d vd;
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struct bit_array_128
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{
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u64 m_data[2];
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public:
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class bit_element
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{
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u64& data;
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const u64 mask;
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public:
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bit_element(u64& data, const u64 mask)
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: data(data)
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, mask(mask)
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{
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}
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operator bool() const
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{
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return (data & mask) != 0;
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}
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bit_element& operator=(const bool right)
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{
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if (right)
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{
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data |= mask;
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}
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else
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{
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data &= ~mask;
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}
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return *this;
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}
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bit_element& operator=(const bit_element& right)
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{
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if (right)
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{
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data |= mask;
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}
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else
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{
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data &= ~mask;
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}
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return *this;
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}
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};
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// Index 0 returns the MSB and index 127 returns the LSB
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bit_element operator[](u32 index)
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{
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#if IS_LE_MACHINE == 1
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return bit_element(m_data[1 - (index >> 6)], 0x8000000000000000ull >> (index & 0x3F));
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#endif
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}
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// Index 0 returns the MSB and index 127 returns the LSB
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bool operator[](u32 index) const
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{
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#if IS_LE_MACHINE == 1
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return (m_data[1 - (index >> 6)] & (0x8000000000000000ull >> (index & 0x3F))) != 0;
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#endif
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}
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} _bit;
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static v128 from64(u64 _0, u64 _1 = 0)
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{
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v128 ret;
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ret._u64[0] = _0;
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ret._u64[1] = _1;
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return ret;
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}
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static v128 from64r(u64 _1, u64 _0 = 0)
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{
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return from64(_0, _1);
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}
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static v128 from32(u32 _0, u32 _1 = 0, u32 _2 = 0, u32 _3 = 0)
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{
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v128 ret;
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ret._u32[0] = _0;
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ret._u32[1] = _1;
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ret._u32[2] = _2;
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ret._u32[3] = _3;
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return ret;
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}
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static v128 from32r(u32 _3, u32 _2 = 0, u32 _1 = 0, u32 _0 = 0)
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{
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return from32(_0, _1, _2, _3);
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}
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static v128 from32p(u32 value)
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{
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v128 ret;
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ret.vi = _mm_set1_epi32(static_cast<s32>(value));
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return ret;
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}
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static v128 from16p(u16 value)
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{
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v128 ret;
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ret.vi = _mm_set1_epi16(static_cast<s16>(value));
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return ret;
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}
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static v128 from8p(u8 value)
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{
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v128 ret;
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ret.vi = _mm_set1_epi8(static_cast<s8>(value));
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return ret;
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}
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static v128 fromBit(u32 bit)
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{
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v128 ret = {};
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ret._bit[bit] = true;
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return ret;
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}
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static v128 fromV(__m128i value)
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{
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v128 ret;
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ret.vi = value;
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return ret;
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}
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static v128 fromF(__m128 value)
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{
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v128 ret;
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ret.vf = value;
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return ret;
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}
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static v128 fromD(__m128d value)
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{
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v128 ret;
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ret.vd = value;
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return ret;
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}
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static inline v128 add8(const v128& left, const v128& right)
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{
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return fromV(_mm_add_epi8(left.vi, right.vi));
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}
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static inline v128 add16(const v128& left, const v128& right)
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{
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return fromV(_mm_add_epi16(left.vi, right.vi));
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}
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static inline v128 add32(const v128& left, const v128& right)
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{
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return fromV(_mm_add_epi32(left.vi, right.vi));
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}
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static inline v128 addfs(const v128& left, const v128& right)
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{
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return fromF(_mm_add_ps(left.vf, right.vf));
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}
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static inline v128 addfd(const v128& left, const v128& right)
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{
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return fromD(_mm_add_pd(left.vd, right.vd));
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}
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static inline v128 sub8(const v128& left, const v128& right)
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{
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return fromV(_mm_sub_epi8(left.vi, right.vi));
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}
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static inline v128 sub16(const v128& left, const v128& right)
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{
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return fromV(_mm_sub_epi16(left.vi, right.vi));
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}
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static inline v128 sub32(const v128& left, const v128& right)
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{
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return fromV(_mm_sub_epi32(left.vi, right.vi));
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}
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static inline v128 subfs(const v128& left, const v128& right)
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{
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return fromF(_mm_sub_ps(left.vf, right.vf));
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}
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static inline v128 subfd(const v128& left, const v128& right)
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{
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return fromD(_mm_sub_pd(left.vd, right.vd));
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}
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static inline v128 maxu8(const v128& left, const v128& right)
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{
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return fromV(_mm_max_epu8(left.vi, right.vi));
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}
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static inline v128 minu8(const v128& left, const v128& right)
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{
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return fromV(_mm_min_epu8(left.vi, right.vi));
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}
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static inline v128 eq8(const v128& left, const v128& right)
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{
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return fromV(_mm_cmpeq_epi8(left.vi, right.vi));
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}
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static inline v128 eq16(const v128& left, const v128& right)
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{
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return fromV(_mm_cmpeq_epi16(left.vi, right.vi));
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}
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static inline v128 eq32(const v128& left, const v128& right)
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{
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return fromV(_mm_cmpeq_epi32(left.vi, right.vi));
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}
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bool operator==(const v128& right) const
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{
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return _u64[0] == right._u64[0] && _u64[1] == right._u64[1];
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}
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bool operator!=(const v128& right) const
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{
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return _u64[0] != right._u64[0] || _u64[1] != right._u64[1];
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}
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// result = (~left) & (right)
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static inline v128 andnot(const v128& left, const v128& right)
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{
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return fromV(_mm_andnot_si128(left.vi, right.vi));
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}
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void clear()
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{
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_u64[0] = 0;
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_u64[1] = 0;
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}
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};
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template <typename T, std::size_t N, std::size_t M>
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struct offset32_array<v128::masked_array_t<T, N, M>>
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{
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template <typename Arg>
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static inline u32 index32(const Arg& arg)
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{
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return u32{sizeof(T)} * (static_cast<u32>(arg) ^ static_cast<u32>(M));
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}
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};
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inline v128 operator|(const v128& left, const v128& right)
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{
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return v128::fromV(_mm_or_si128(left.vi, right.vi));
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}
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inline v128 operator&(const v128& left, const v128& right)
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{
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return v128::fromV(_mm_and_si128(left.vi, right.vi));
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}
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inline v128 operator^(const v128& left, const v128& right)
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{
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return v128::fromV(_mm_xor_si128(left.vi, right.vi));
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}
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inline v128 operator~(const v128& other)
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{
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return v128::from64(~other._u64[0], ~other._u64[1]);
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}
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template <typename T, std::size_t Align, std::size_t Size>
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struct se_storage
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{
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struct type
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{
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alignas(Align) std::byte data[Size];
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};
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// Unoptimized generic byteswap for unaligned data
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static void reverse(u8* dst, const u8* src)
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{
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for (std::size_t i = 0; i < Size; i++)
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{
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dst[i] = src[Size - 1 - i];
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}
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}
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static type to(const T& src)
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{
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type result;
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reverse(reinterpret_cast<u8*>(&result), reinterpret_cast<const u8*>(&src));
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return result;
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}
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static T from(const type& src)
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{
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T result;
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reverse(reinterpret_cast<u8*>(&result), reinterpret_cast<const u8*>(&src));
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return result;
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}
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};
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template <typename T>
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struct se_storage<T, 2, 2>
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{
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using type = u16;
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static constexpr u16 swap(u16 src)
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{
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#if defined(__GNUG__)
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return __builtin_bswap16(src);
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#else
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return _byteswap_ushort(src);
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#endif
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}
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static inline u16 to(const T& src)
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{
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return swap(reinterpret_cast<const u16&>(src));
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}
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static inline T from(u16 src)
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{
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const u16 result = swap(src);
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return reinterpret_cast<const T&>(result);
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}
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};
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template <typename T>
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struct se_storage<T, 4, 4>
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{
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using type = u32;
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static constexpr u32 swap(u32 src)
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{
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#if defined(__GNUG__)
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return __builtin_bswap32(src);
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#else
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return _byteswap_ulong(src);
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#endif
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}
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static inline u32 to(const T& src)
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{
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return swap(reinterpret_cast<const u32&>(src));
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}
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static inline T from(u32 src)
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{
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const u32 result = swap(src);
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return reinterpret_cast<const T&>(result);
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}
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};
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template <typename T>
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struct se_storage<T, 8, 8>
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{
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using type = u64;
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static constexpr u64 swap(u64 src)
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{
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#if defined(__GNUG__)
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return __builtin_bswap64(src);
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#else
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return _byteswap_uint64(src);
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#endif
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}
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static inline u64 to(const T& src)
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{
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return swap(reinterpret_cast<const u64&>(src));
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}
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static inline T from(u64 src)
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{
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const u64 result = swap(src);
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return reinterpret_cast<const T&>(result);
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}
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};
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template <typename T>
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struct se_storage<T, 16, 16>
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{
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using type = v128;
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static inline v128 swap(const v128& src)
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{
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return v128::from64(se_storage<u64>::swap(src._u64[1]), se_storage<u64>::swap(src._u64[0]));
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}
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static inline v128 to(const T& src)
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{
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return swap(reinterpret_cast<const v128&>(src));
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}
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static inline T from(const v128& src)
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{
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const v128 result = swap(src);
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return reinterpret_cast<const T&>(result);
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}
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};
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// Switched endianness
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template <typename T, std::size_t Align>
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class se_t<T, true, Align>
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{
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using type = typename std::remove_cv<T>::type;
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using stype = typename se_storage<type, Align>::type;
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using storage = se_storage<type, Align>;
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stype m_data;
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static_assert(!std::is_pointer<type>::value, "se_t<> error: invalid type (pointer)");
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static_assert(!std::is_reference<type>::value, "se_t<> error: invalid type (reference)");
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static_assert(!std::is_array<type>::value, "se_t<> error: invalid type (array)");
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static_assert(sizeof(type) == alignof(type), "se_t<> error: unexpected alignment");
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public:
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se_t() = default;
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se_t(const se_t& right) = default;
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se_t(type value)
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: m_data(storage::to(value))
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{
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}
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type value() const
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{
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return storage::from(m_data);
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}
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se_t& operator=(const se_t&) = default;
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se_t& operator=(type value)
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{
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return m_data = storage::to(value), *this;
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}
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using simple_type = simple_t<T>;
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operator type() const
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{
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return storage::from(m_data);
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}
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};
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// Native endianness
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template <typename T, std::size_t Align>
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class se_t<T, false, Align>
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{
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using type = typename std::remove_cv<T>::type;
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using stype = typename se_storage<type, Align>::type;
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using storage = se_storage<type, Align>;
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static_assert(!std::is_pointer<type>::value, "se_t<> error: invalid type (pointer)");
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static_assert(!std::is_reference<type>::value, "se_t<> error: invalid type (reference)");
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static_assert(!std::is_array<type>::value, "se_t<> error: invalid type (array)");
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static_assert(sizeof(type) == alignof(type), "se_t<> error: unexpected alignment");
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stype m_data;
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static stype init(type value)
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{
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stype result;
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std::memcpy(&result, &value, sizeof(result));
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return result;
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}
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public:
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se_t() = default;
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se_t(type value)
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: m_data(init(value))
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{
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}
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type value() const
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{
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type result;
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std::memcpy(&result, &m_data, sizeof(result));
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return result;
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}
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se_t& operator=(const se_t& value) = default;
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se_t& operator=(type value)
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{
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std::memcpy(&m_data, &value, sizeof(m_data));
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return *this;
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}
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using simple_type = simple_t<T>;
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operator type() const
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{
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return value();
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}
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};
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// se_t<> with native endianness
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template <typename T, std::size_t Align = alignof(T)>
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using nse_t = se_t<T, false, Align>;
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template <typename T, bool Se, std::size_t Align, typename T1>
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inline se_t<T, Se, Align>& operator+=(se_t<T, Se, Align>& left, const T1& right)
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{
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auto value = left.value();
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return left = (value += right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator-=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value -= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator*=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value *= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator/=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value /= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator%=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value %= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator&=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value &= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator|=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value |= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator^=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value ^= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator<<=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value <<= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align, typename T1>
|
|
inline se_t<T, Se, Align>& operator>>=(se_t<T, Se, Align>& left, const T1& right)
|
|
{
|
|
auto value = left.value();
|
|
return left = (value >>= right);
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align>
|
|
inline se_t<T, Se, Align> operator++(se_t<T, Se, Align>& left, int)
|
|
{
|
|
auto value = left.value();
|
|
auto result = value++;
|
|
left = value;
|
|
return result;
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align>
|
|
inline se_t<T, Se, Align> operator--(se_t<T, Se, Align>& left, int)
|
|
{
|
|
auto value = left.value();
|
|
auto result = value--;
|
|
left = value;
|
|
return result;
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align>
|
|
inline se_t<T, Se, Align>& operator++(se_t<T, Se, Align>& right)
|
|
{
|
|
auto value = right.value();
|
|
return right = ++value;
|
|
}
|
|
|
|
template <typename T, bool Se, std::size_t Align>
|
|
inline se_t<T, Se, Align>& operator--(se_t<T, Se, Align>& right)
|
|
{
|
|
auto value = right.value();
|
|
return right = --value;
|
|
}
|
|
|
|
#if IS_LE_MACHINE == 1
|
|
template <typename T, std::size_t Align = alignof(T)>
|
|
using be_t = se_t<T, true, Align>;
|
|
template <typename T, std::size_t Align = alignof(T)>
|
|
using le_t = se_t<T, false, Align>;
|
|
#endif
|
|
|
|
// Type converter: converts native endianness arithmetic/enum types to appropriate se_t<> type
|
|
template <typename T, bool Se, typename = void>
|
|
struct to_se
|
|
{
|
|
template <typename T2, typename = void>
|
|
struct to_se_
|
|
{
|
|
using type = T2;
|
|
};
|
|
|
|
template <typename T2>
|
|
struct to_se_<T2, std::enable_if_t<std::is_arithmetic<T2>::value || std::is_enum<T2>::value>>
|
|
{
|
|
using type = se_t<T2, Se>;
|
|
};
|
|
|
|
// Convert arithmetic and enum types
|
|
using type = typename to_se_<T>::type;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<v128, Se>
|
|
{
|
|
using type = se_t<v128, Se>;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<u128, Se>
|
|
{
|
|
using type = se_t<u128, Se>;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<s128, Se>
|
|
{
|
|
using type = se_t<s128, Se>;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<bool, Se>
|
|
{
|
|
using type = bool;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<char, Se>
|
|
{
|
|
using type = char;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<u8, Se>
|
|
{
|
|
using type = u8;
|
|
};
|
|
|
|
template <bool Se>
|
|
struct to_se<s8, Se>
|
|
{
|
|
using type = s8;
|
|
};
|
|
|
|
template <typename T, bool Se>
|
|
struct to_se<const T, Se, std::enable_if_t<!std::is_array<T>::value>>
|
|
{
|
|
// Move const qualifier
|
|
using type = const typename to_se<T, Se>::type;
|
|
};
|
|
|
|
template <typename T, bool Se>
|
|
struct to_se<volatile T, Se, std::enable_if_t<!std::is_array<T>::value && !std::is_const<T>::value>>
|
|
{
|
|
// Move volatile qualifier
|
|
using type = volatile typename to_se<T, Se>::type;
|
|
};
|
|
|
|
template <typename T, bool Se>
|
|
struct to_se<T[], Se>
|
|
{
|
|
// Move array qualifier
|
|
using type = typename to_se<T, Se>::type[];
|
|
};
|
|
|
|
template <typename T, bool Se, std::size_t N>
|
|
struct to_se<T[N], Se>
|
|
{
|
|
// Move array qualifier
|
|
using type = typename to_se<T, Se>::type[N];
|
|
};
|
|
|
|
// BE/LE aliases for to_se<>
|
|
#if IS_LE_MACHINE == 1
|
|
template <typename T>
|
|
using to_be_t = typename to_se<T, true>::type;
|
|
template <typename T>
|
|
using to_le_t = typename to_se<T, false>::type;
|
|
#endif
|
|
|
|
// BE/LE aliases for atomic_t
|
|
#if IS_LE_MACHINE == 1
|
|
template <typename T>
|
|
using atomic_be_t = atomic_t<be_t<T>>;
|
|
template <typename T>
|
|
using atomic_le_t = atomic_t<le_t<T>>;
|
|
#endif
|
|
|
|
template <typename T, bool Se, std::size_t Align>
|
|
struct fmt_unveil<se_t<T, Se, Align>, void>
|
|
{
|
|
using type = typename fmt_unveil<T>::type;
|
|
|
|
static inline auto get(const se_t<T, Se, Align>& arg)
|
|
{
|
|
return fmt_unveil<T>::get(arg);
|
|
}
|
|
};
|